According to V. Starrett's "Ambrose Bierce, a bibliography" (p. 28-30) this "appears to have been the joint production of Ambrose Bierce and Thomas A. Harcourt." The William Herman on t.-p. was William Herman Rulofson, who financed it. Bierce claims only to have edited it and rewritten one chapter
Rulofson, William Herman; Harcourt, Thomas A., supposed joint author
Evidence reported by ian frederick-rothwell for item danceofdeath00bierrich on September 20, 2007: no visible notice of copyright; stated date is 1877.